Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240846 | Recording material comprising a substrate and a ceramic layer applied to a surface of the substrate | Eva Danuta Allen | 2001-06-05 |
| 5637441 | Hydrophilized base material and recording material produced therefrom | Mathias Eichhorn, Andreas Elsaesser | 1997-06-10 |
| 5314787 | Process for treating lithographic printing forms and lithographic printing forms produced thereby | Andreas Elsaesser | 1994-05-24 |
| 5304298 | Process for roughening aluminum or aluminum alloys | — | 1994-04-19 |
| 5156723 | Process for electrochemical roughening of aluminum for printing plate supports | Engelbert Pliefke | 1992-10-20 |
| 4853093 | Aluminum or an aluminum alloy support material for use in offset printing plates | Renate Ernst | 1989-08-01 |
| 4608131 | Process for the anodic oxidation of aluminum and use thereof as support material for offset printing plates | — | 1986-08-26 |